<html>

<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>首页</title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" />
</head>
<style>
    body {
        width: 100%;
        height: 100%;
        margin: 0;
        padding: 0;
    }

    .help {
        display: block;
        margin: .83rem 0 0;
        padding: 0;
        height: auto;
        width: 100%;
    }

    html {
        font-family: sans-serif;
        -ms-text-size-adjust: 100%;
        -webkit-text-size-adjust: 100%;
        font-size: 13.3333333333333vw;
        width: 100%;
    }

    .title {
        position: fixed;
        left: 0;
        top: 0;
        width: 100%;
        height: 1.23rem;
        background: #fff;
        text-align: center;
        line-height: 1.63rem;
        font-size: .35rem;
        color: #4D4D4D;
        z-index: 1;
    }

    .back {
        width: .36rem;
        height: .42rem;
        position: absolute;
        left: .28rem;
        top: .61rem;
        background: url('./imgs/meng/back.png') no-repeat center center /cover;
    }
</style>

<body>
    <div class="title">
        <a href="javascript:history.go(-1)" class="back"></a>
        怎么玩
    </div>
    <img class="help" src="./imgs/help.png" alt="">
</body>

</html>